1.

The answer to each of thefollowingquestionsis a singledigitintegerrangingfrom 0 to 9. It thecorrectanswers tothe questionsnumbers A, B, Cand S (say ) are 4, 0,9and 2 respectivelythent thecorrectdarkeningof bubbles shouldbe us shownon the side : How manyseriesof elements constitutef- blockelements

Answer»


SOLUTION :TWO i.e., LANTHANOIDS and actiniods.


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